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Substitution

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf (a_n=(n+2)^2) then what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48MediumMathematicsIf (a_n=60-5n) then what is the value of (a_9)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48MediumMathematicsIf (a_n=4^n+2n-5) then what is the value of (a_3)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48HardMathematicsIf (a_n=(n+2)^2-3) then what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48HardMathematicsIf (a_n=n^2+n+3), what is the value of (a_{10}-a_9)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 48MediumMathematicsIf \(a_n=\frac{n(n+1)}{2}\), what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47MediumMathematicsIf \(a_n=\frac{3n+1}{2}\), what is the value of \(a_5\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47MediumMathematicsIf (a_n=100-7n), what is the value of (a_8)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47MediumMathematicsIf (a_n=n^2+n-1), what is the value of (a_6)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47MediumMathematicsIf (a_n=n^3+n), what is the value of (a_3)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47MediumMathematicsIf aₙ = n(n + 1)/2 + 1, what is the value of a₅?Class 9Sequences and ProgressionsExplicit or general ruleLevel 47MediumMathematicsIf (a_n=25+n), what is the value of (a_6)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 52EasyMathematicsIf (a_n=40-3n), what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 52EasyMathematicsIf \(a_n=\frac{5n}{2}\), what is the value of \(a_6\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 52EasyMathematicsIf (a_n=n^2+4), what is the value of (a_4)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 52EasyMathematicsIf (a_n=18+n), what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 51EasyMathematicsIf (a_n=n^2-2n), what is the value of (a_6)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 51EasyMathematicsIf (a_n=n^3+1), what is the value of (a_2)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 51EasyMathematicsIf (a_n=n^2+3), what is the value of (a_5)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 51EasyMathematicsIf \(a_n=\frac{n(n+1)}{2}\), what is the value of \(a_4\)?Class 9Sequences and ProgressionsExplicit or general ruleLevel 50Easy